PSC AD91: R&D – Defense Other: Other (Basic Research)
Service code
Code facts
- Part of
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-
A
- AD
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A
- Contract obligations
- $5,485,489 In FY2025
PSC codes and definitions come from the GSA PSC Manual and contract spending from SAM.gov/FPDS.
Contract obligations by fiscal year
| Fiscal year | Obligated |
|---|---|
| FY2027 To date | $0 |
| FY2026 | -$1,624,899 |
| FY2025 | $5,485,489 |
| FY2024 | $10,580,011 |
| FY2023 | $57,316,520 |
Top contractors by obligations
| Rank | Contractor | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | General Electric Company | $337,498 |
Top NAICS codes by obligations
| Rank | NAICS code | Obligated, FY2026–FY2027 | Share |
|---|---|---|---|
| 1 | 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) | $180,165 |
Contract obligations by state
| Rank | Place of performance | Obligated, last 12 months | Share |
|---|---|---|---|
| 1 | New York | $328,075 |
Shares are of everything obligated under PSC AD91 in the last 12 months before deobligations, including work performed abroad or with no place of performance on record.
Contract opportunities
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Quick answers
What is PSC AD91?
PSC AD91 is R&D – Defense Other: Other (Basic Research), a service code in PSC A, Research and Development.
How much do federal agencies spend under PSC AD91?
Federal contracts under PSC AD91 obligated $5,485,489 in fiscal year 2025 and $71,757,121 in fiscal years 2023 through 2027.
Who are the largest contractors under PSC AD91?
The contractors with the most obligated under PSC AD91 in fiscal years 2026 and 2027 are General Electric Company ($337,498).
Which NAICS codes are used with PSC AD91?
The NAICS codes with the most obligated under PSC AD91 in fiscal years 2026 and 2027 are 541715 Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology).
Where is the work under PSC AD91 performed?
By place of performance, the states with the most contract obligations under PSC AD91 over the last 12 months are New York ($328,075).
What is the latest contract opportunity under PSC AD91?
The latest contract opportunity under PSC AD91 is Polyplexus Pilot 3 Award Notice, award notice from Defense Advanced Research Projects Agency, posted October 8, 2020.
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See everything under PSC AD91
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